A lockable container comprising a lock portion and a container is provided. The lock portion has a first part and a second part, wherein the first part has an opening component and at least a lock mechanism, the second part has at least a latch driven by the opening component. The container fits the second part. The container has at least an inner space and a wedge corresponding to the latch. The lock mechanism restricts a displacement of the opening component when the lock mechanism is locked. The lock mechanism releases the opening component when the lock mechanism is unlocked.